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प्रश्न
Write true or false
Graphite is the purest form of carbon.
विकल्प
True
False
उत्तर
False
Diamond is the purest form of carbon.
APPEARS IN
संबंधित प्रश्न
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Name the following:
The third crystalline form of carbon.
Answer the following question
Why is diamond very hard?
Give two uses of diamond.
Fill in the blank
Coal is a ............. form of carbon.
Write ‘True’ Or ‘False’ Against the Following Statement:
Charcoal is a good adsorbent.
Name four types of coal with percentage of carbon present in each,with uses.
Tick the most appropriate answer.
Which form of carbon is a good conductor of electricity?
a. graphite
b. diamond
c. coke
d. amorphous carbon
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
Complete the statement by filling the blank with the correct word from the option.
The crystal of ________ is opaque to light and is a good conductor of heat.
